Index_V

V

validity period

choosing, 265 “66

digital certificates and, 22 “23

digital signatures and, 26

key length and, 264 “65

renewal process, 266 “67

ValidPorts registry value, 246

VBA (Visual Basic for Applications), 201

verification, digital signatures, 26

virtual directories, 346

virtual servers. See also SMTP virtual servers

OWA access control, 347

vs. virtual directories, 346

viruses. See also antivirus protection

additional reading, 211

attacks, 67

laws on scanners , 468

overview of, 12 “13

Visual Basic for Applications (VBA), 201

vocabulary. See security vocabulary

vulnerabilities

patching ( see MBSA (Microsoft Baseline Security Analyzer); patches)

risk assessment and, 68 “69